Vascular Plants - Caryophyllaceae - Cerastium:
Cerastium dichotomum
Page Authors: David Giblin, Don Knoke
dry chickweed 
Blooms: April-June
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Washington to California.
Habitat: Disturbed areas, especially along roadsides.
Species Description:

General: Glandular annual from a taproot and crown, the stems erect, simple or several from the base, 15-30 cm. tall.
Leaves: Leaves opposite, simple, broadly linear to lanceolate or oblong, 12-30 mm. long and 3-10 mm. wide, acute, viscid-glandular.
Flowers: Inflorescences of dense, 3- to 30-flowered cymes, with leaf-like, glandular-pubescent bracts; pedicles erect, 2-10 mm. long; sepals 5, lanceolate, 6-11 mm. long, acute; petals 5, oblanceolate, white, equaling the sepals; stamens 5; styles 5.
Fruits: Capsules narrowly conic, twice as long as the sepals, straight, with 10 erect teeth.
Accepted Name:
Cerastium dichotomum L.
Cerastium siculum Guss.

Treated in Flora of the PNW as:
Additional Resources:

PNW Herbaria Specimens: View list of all Cerastium dichotomum specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Cerastium dichotomum specimens in the WTU Herbarium database.

Washington Flora Checklist: Cerastium dichotomum treatment.

E-Flora BC: Cerastium dichotomum atlas page.

CalPhotos: Cerastium dichotomum images.

USDA Plants Database: Cerastium dichotomum.
Additional photographs of Cerastium dichotomum:
(click on a thumbnail to view larger photo)

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old
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Washington Native Plant Society
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